Model: 8949256-01-1

Variable Attenuator

Special Features:

Stepped, rf, with internal transfer switch; wght, 8.0 oz. Max.; switching speed, 20 milliseconds max.; temp. Coefficient, 0.0001 db/db/0 deg.C. Max.; attenuation resolution, j1-j2, j1-j3, 0-70 db

Properties:

Body Style
Coaxial type
Overall Length
6.150 inches
Overall Height
1.010 inches
Overall Width
2.350 inches
Distance Between Mounting Facility Centers
0.700 inches
End Application
An/usm-638
Voltage Standing Wave Ratio
1.25 and 1.80
Coaxial Connector Series Designation
Sma
Mounting Facility Screw Thread Series Designator
Unc
Insertion Loss At Minimum Attenuation In Maximum Decibels
2.1
Overall Attenuation Range In Decibels
+0.0/+70.0
Attenuation Variation Method
Stepped
Step Position Quantity
7
Attenuation Per Step In Decibels
10.0
Mounting Facility Type And Quantity
4 threaded hole
Frequency Range
Between 0.010 gigahertz and 18.000 gigahertz
Overall Attenuation Accuracy In Decibels
+1.00/+2.00
Mounting Thread Quantity
40 per inch
Mounting Facility Pattern
Two position in-line
Mounting Facility Screw Thread Diameter
0.112 inches
Impedance Rating In Ohms
50.0 input-output
Terminal Type And Quantity
1 connector, receptacle and 4 connector, coaxial, female
NSN
5985-01-350-8187
Part Number
8949256-01-1
Description
Attenuator,variable
CAGE
94117

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

Part 8949256-01-1 NSN 5985-01-350-8187

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00838
FIIG:
A223A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
QC
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
9.3 X 6.3 X 3.0
Paclk Weight:
1.5000lbs
Item Weight:
0.5000lbs
Item Dim:
006200250010
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000003XC3
SPI Rev.:
SPC Mkg:
00
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
060535
UFC:
06330
LTL:
RATING VARIABLE
LCL:
200.0
WCC:
72D
TCC:
3
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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